Use of biological resources

Question 1

What are the features of an industrial fermenters

Answer 1

They have a
-Cooling jacket
-Air filter
-Stirrers
-Growth medium
-Super-heated steam

Question 2

What are the uses of industrial fermenter

Answer 2

-Used in medicine by

-The fungus ‘penicillium’ produces the antibiotic penicillin.
-Bacteria engineered to make insulin

Question 3

What is the role of the cooling jacket

Answer 3

-Removes heat energy, stopping enzymes denaturing

Question 4

Role of the air filter

Answer 4

Filters air coming in, maintaining sterile conditions

Question 5

Role of the stirrers

Answer 5

Keep the broth well stirred to oxygenate all parts of the fermenter and prevent micro-organisms settling.

Question 6

What is the growth medium

Answer 6

Contains all necessary glucose and amino acids for micro-organism growth

Question 7

Role of super-heated steam

Answer 7

Applied before the fermenter is used, killing unwanted micro-organisms

Question 8

Role of electronic probes in industrial fermenters

Answer 8

-Measure pH, oxygen and temperature levels